content: Cleanup class/struct forward declarations

content/renderer/render_view_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 55 matching lines @@
 #include "content/renderer/android/renderer_date_time_picker.h"
 #endif
 
 #if defined(COMPILER_MSVC)
 // RenderViewImpl is a diamond-shaped hierarchy, with WebWidgetClient at the
 // root. VS warns when we inherit the WebWidgetClient method implementations
 // from RenderWidget.  It's safe to ignore that warning.
 #pragma warning(disable: 4250)
 #endif
 
-class SkBitmap;
-struct PP_NetAddress_Private;
-struct ViewMsg_StopFinding_Params;
-
-namespace base {
-class CommandLine;
-}
-
 namespace blink {
 class WebApplicationCacheHost;
-class WebApplicationCacheHostClient;
-class WebDOMMessageEvent;
 class WebDataSource;
 class WebDateTimeChooserCompletion;
 class WebDragData;
 class WebGestureEvent;
 class WebIconURL;
 class WebImage;
-class WebPeerConnection00Handler;
-class WebPeerConnection00HandlerClient;
 class WebMouseEvent;
-class WebPeerConnectionHandler;
-class WebPeerConnectionHandlerClient;
 class WebSpeechRecognizer;
 class WebStorageNamespace;
-class WebTouchEvent;
 class WebURLRequest;
 struct WebActiveWheelFlingParameters;
 struct WebDateTimeChooserParams;
-struct WebFileChooserParams;
 struct WebMediaPlayerAction;
 struct WebPluginAction;
 struct WebPoint;
 struct WebWindowFeatures;
 
 #if defined(OS_ANDROID)
 class WebHitTestResult;
 #endif
 }  // namespace blink
 
 namespace content {
 
 class HistoryController;
-class HistoryEntry;
-class PageState;
 class RenderViewImplTest;
 class RenderViewObserver;
 class RenderViewTest;
 class RendererDateTimePicker;
-class RendererWebColorChooserImpl;
 class SpeechRecognitionDispatcher;
-class WebPluginDelegateProxy;
 struct FaviconURL;
 struct FileChooserParams;
-struct FileChooserFileInfo;
-struct RenderViewImplParams;
 struct ResizeParams;
 
 namespace mojom {
 class CreateViewParams;
 }
 
-#if defined(OS_ANDROID)
-class WebMediaPlayerProxyAndroid;
-#endif
-
 //
 // RenderView is an object that manages a WebView object, and provides a
 // communication interface with an embedding application process.
 //
 // DEPRECATED: RenderViewImpl is being removed as part of the SiteIsolation
 // project. New code should be added to RenderFrameImpl instead.
 //
 // For context, please see https://crbug.com/467770 and
 // http://www.chromium.org/developers/design-documents/site-isolation.
 class CONTENT_EXPORT RenderViewImpl
@@ skipping 748 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_